Finding the Fourth Proportional to 9,376.29, 12,939.27 and 5,184.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,376.29 : 12,939.27 = 5,184.54 : x
2. Step 2: Convert to fraction form
   9,376.29/12,939.27 = 5,184.54/x
3. Step 3: Cross multiply
   9,376.29x = 12,939.27 × 5,184.54
4. Step 4: Simplify right side
   9,376.29x = 67,084,162.89
5. Step 5: Solve for x
   x = 67,084,162.89/9,376.29
6. Step 6: Final answer
   x = 7,154.66